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Efthymios Prapas


Last seen: 1 year 前 自 2021 起处于活动状态

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  • CUP Challenge Master
  • Introduction to MATLAB Master
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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

2 years 前

已解决


Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

2 years 前

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

2 years 前

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Converts numbers into characters
Converts numbers into characters

2 years 前

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Find the max element of the array
Find the max element of the array

2 years 前

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

2 years 前

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to the 2 all elements
to the 2 all elements

2 years 前

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the average value of the elements
Calculate the average value of the elements in the array

2 years 前

已解决


Double all elements in the array
Duplicate all elements in the array

2 years 前

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calculate the length of matrix
input 1 array, calculate the length

2 years 前

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Draw a '0' in a one matrix!

2 years 前

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Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

2 years 前

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

2 years 前

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

2 years 前

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Create a vector
Create a vector from 0 to n by intervals of 2.

2 years 前

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

2 years 前

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

2 years 前

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Find max
Find the maximum value of a given vector or matrix.

2 years 前

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

2 years 前

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Inner product of two vectors
Find the inner product of two vectors.

2 years 前

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

2 years 前

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Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

2 years 前

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Find the sides of an isosceles triangle when given its area and height from its base to apex
Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

2 years 前

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Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

2 years 前

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Find my daddy long leg (No 's')
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

2 years 前

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Fibonacci Decomposition
Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

2 years 前

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Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

2 years 前

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(Linear) Recurrence Equations - Generalised Fibonacci-like sequences
This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

2 years 前

已解决


Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

2 years 前

已解决


Similar Triangles - find the height of the tree
Given the height, h1, of a power pole, shorter than a tree, a given distance, x2 away, please find h2, height of the tree. Pleas...

2 years 前

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